19mm Steel Strapping + nut and long bolt and a jar
powder paint yellow with a bit of black in it from https://hls-products.com/
yellow with a bit of gold dust (looks almost like a gold nugget)
fill the glass so that the lead does not touch. heat - screw on - shake to the desired layers - unscrew and use a heatgun and a wire to clean up the eye.
(HLS dust are small plastic balls that must be melted to give a shiny surface)